Maintenance and Fluid Information for 2010 GMC W4500 Forward Chevrolet/GMC 4HK1-TC
An oil change on the 2010 GMC W4500 Forward Chevrolet/GMC 4HK1-TC starts with selecting the right lubricant. The catalog lists these engine-oil viscosity grades: 15W-40 and 5W-40. The matching product listings include Heavy-Duty Synthetic Diesel Oil 15W-40, Signature Series Max-Duty Synthetic Diesel Oil 15W-40, Signature Series Max-Duty Synthetic Diesel Oil 5W-40. The grade alone is not the whole specification, so check the manufacturer’s requirements before making your selection.
How do I find the correct oil-change interval for my 2010 GMC W4500 Forward Chevrolet/GMC 4HK1-TC?
Use the manufacturer’s maintenance schedule for this engine and operating conditions. The available application data does not establish an exact oil-change interval.
What oil does my 2010 GMC W4500 Forward Chevrolet/GMC 4HK1-TC take?
15W-40, 5W-40 is the engine-oil viscosity listed for this vehicle.
What is the oil filter part number for my 2010 GMC W4500 Forward Chevrolet/GMC 4HK1-TC?
The oil-filter part numbers listed for this vehicle include DBL7947-EA.

